Round|Natural|GIA

2.10ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5496843290

Certificate GIA 5496843290

Diamond specifications and retailer prices

From £5,891 GBP
As of November 4, 2026
Save £2,135 GBP (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £9,818 GBP at GemsNY · As of October 5, 2026
View at GemsNY

About this 2.1ct natural round diamond

This 2.1ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5496843290. Listed at 4 retailers as of November 4, 2026, with a 36% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.10
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5496843290
Dimensions8.22 × 8.25 × 5.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
8.22 mm8.25 mm2.10 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5496843290
Side View
Table 60.0%Crown 32.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £9,818 GBP|Low: £5,828 GBP|High: £9,818 GBP|Avg: £7,834 GBP
GemsNY
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£5,891 GBP
Retailer 3£7,737 GBP
Retailer 2£8,026 GBP
GemsNY£9,818 GBP

37 data points across 4 retailers

4 retailers£5,891 GBP to £8,026 GBP

A
Cheapest Retailer
-
£5,891 GBP
B+
Retailer 2
-
£7,737 GBP
View
B+
Retailer 3
-
£8,026 GBP
View
Most Expensive
GemsNY
N815825 · Oct 5
£9,818 GBP
$13,214 USD
View
Price last confirmed 32 days ago
3 more retailers have this diamond
Prices start from £5,891 GBPSave up to £2,135 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.10ct Round
£5,891 GBP